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Cover image for SS7 Attacks: Is Your Phone Really Safe?
Dedar Alam
Dedar Alam

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SS7 Attacks: Is Your Phone Really Safe?

Did you know your phone calls and text messages might be intercepted without your knowledge? The SS7 Attack is a significant cybersecurity threat that takes advantage of vulnerabilities in the global telecom infrastructure.

SS7 (Signaling System No. 7) is the protocol used by mobile networks to route calls and messages across carriers worldwide. It was designed decades ago, long before modern cyber threats, leaving it exposed to hackers and cybercriminals.

🔍 How Does the SS7 Attack Work?

  • Unauthorized Access: Hackers gain entry into the SS7 network.
  • Interception: They can intercept your phone calls, SMS messages, and even sensitive two-factor authentication (2FA) codes.
  • Real-Time Tracking: With just your phone number, hackers can track your location in real-time.
  • Call Redirection: They can redirect or block calls without you realizing it.

💼 Why Is This Important?

Imagine someone thousands of miles away listening to your private calls, reading your messages, or accessing your financial information by intercepting your 2FA codes. SS7 attacks have been used for everything from espionage to financial fraud.

🛡 How to Protect Yourself

  • Avoid SMS-based 2FA: Switch to app-based authentication like Google Authenticator or Authy for added security.
  • Use Encrypted Messaging Apps: For secure communication, use apps with end-to-end encryption like Signal or WhatsApp.
  • Enhance Privacy Settings: Regularly review and update your phone's privacy settings to minimize exposure.

While telecom companies are working on solutions, this is a reminder that our digital world is not always as secure as it seems. Stay informed, stay vigilant, and protect your data! 💡

🎬 Demo by Veritasium

Top comments (1)

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raulpenate profile image
The Eagle 🦅

Very nice explanation, thanks!